﻿//==============================================================================
// File: IValidationRule.cs
// Created: 2010-05-10
// Author: Piotr Włodek
//==============================================================================
// This file is a part of MAMMOTH project.
// Copyright (C) 2010 AGH University of Science and Technology, Krakow.
// https://caribou.iisg.agh.edu.pl/trac/mammoth
//
// Mammoth is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// 
// Mammoth is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Lesser General Public License for more details.
// 
// You should have received a copy of the GNU Lesser General Public License
// along with WpfRcp. If not, see http://www.gnu.org/licenses/.
//==============================================================================

namespace WpfRcp.PropertyModel.Validation
{
    /// <summary>
    /// Interface defining a validation rule.
    /// </summary>
    public interface IValidationRule
    {
        /// <summary>
        /// Method called when an object is being validated.
        /// </summary>
        /// <param name="value">The value being validated.</param>
        /// <param name="e">Validation arguments.</param>
        /// <returns>Returns an instance of <see cref="ValidationResult"/> class.</returns>
        ValidationResult Validate(object value, ValidationArgs e);
    }
}